1. The skin is the big & heavy limb in the body.
2. Territory of the skin at adult person is about 2 square meters.
3. Weight of the skin at adult person is about 2.5 kilograms.
4. in each 10 cm square of the skin there is a blood vessel in the length 10 meter.
5. The skin is responsible on feelings of heat, cold and feeling.
6. The skin is regulating the body heat by changes in the amount of the sweat of enlargement and constriction of the blood vessel.
7. Internal diseases like anemia, Leukemia express as problems in the skin a long time before they express in the internal limbs.
